53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
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/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LIBC_PRIVATE_KERNEL_SIGSET_T_H_
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#define LIBC_PRIVATE_KERNEL_SIGSET_T_H_
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// Our sigset_t is wrong for ARM and x86. It's 32-bit but the kernel expects 64 bits.
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// This means we can't support real-time signals correctly until we can change the ABI.
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// In the meantime, we can use this union to pass an appropriately-sized block of memory
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// to the kernel, at the cost of not being able to refer to real-time signals.
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union kernel_sigset_t {
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kernel_sigset_t() {
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clear();
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}
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kernel_sigset_t(const sigset_t* value) {
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clear();
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set(value);
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}
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void clear() {
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memset(this, 0, sizeof(*this));
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}
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void set(const sigset_t* value) {
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bionic = *value;
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}
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sigset_t* get() {
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return &bionic;
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}
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sigset_t bionic;
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#ifndef __mips__
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uint32_t kernel[2];
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#endif
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};
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#endif
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